package com.demo.service;

import com.demo.entity.User;

public interface UserService {

	/**
	 * 添加用戶
	 * @param user
	 * @return
	 */
	int insertUser(User user);
	/**
	 * 根据用户名查询用户信息
	 * @return
	 */
	User selectByUserName(String userName);
}
